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Finding the Fourth Proportional to 294,590, 406,516.08 and 173,736.32

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Solution

The fourth proportional to 294,590, 406,516.08 and 173,736.32 is: 239,745.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,590 : 406,516.08 = 173,736.32 : x
  2. Step 2: Convert to fraction form
    294,590/406,516.08 = 173,736.32/x
  3. Step 3: Cross multiply
    294,590x = 406,516.08 × 173,736.32
  4. Step 4: Simplify right side
    294,590x = 70,626,607,760.03
  5. Step 5: Solve for x
    x = 70,626,607,760.03/294,590
  6. Step 6: Final answer
    x = 239,745.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.